App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 843 · 40 questions

Developer's tip (Design for everyone): Our rule: text is at least 16 px; every icon has a text label for screen readers. Add captions to videos; never use colour as the only clue. Big touch targets and strong contrast help everyone.

1. 1.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 26 px
   Body text: 25 px
   Label: 25 px
   Menu: 13 px (a) Footer (b) Menu (c) Label (d) Body text
2. 2.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Label: 10 px
   Title: 22 px
   Body text: 17 px
   Footer: 11 px
3. 3.Which of these helps everyone use the app? (a) sudden loud sounds (b) text that can grow (c) tiny tap areas (d) icons with no labels
4. 4.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
5. 5.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 9 px
   Title: 24 px
   Label: 23 px (a) Caption (b) Title (c) Label
7. 7.♿ Accessibility means an app works for ___. (a) only experts (b) nobody (c) only the coder (d) everyone
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 19 px
   Menu: 18 px
   Caption: 24 px
   Hint: 25 px
   Label: 11 px (a) Body text (b) Caption (c) Menu (d) Label
9. 9.Which of these makes the app harder to use? (a) strong colour contrast (b) text that can grow (c) tiny tap areas (d) labels on every icon
10. 10.🔍 Which is the odd one out? (a) big touch targets (b) labels on every icon (c) strong colour contrast (d) tiny tap areas
11. 11.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
12. 12.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
13. 13.Which of these helps everyone use the app? (a) icons with no labels (b) strong colour contrast (c) colour as the only clue (d) fast-flashing lights
14. 14.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
15. 15.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
16. 16.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 19 px
    Hint: 19 px
    Menu: 20 px
18. 18.Which of these helps everyone use the app? (a) fast-flashing lights (b) tiny tap areas (c) labels on every icon (d) sudden loud sounds
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 10 px
    Caption: 21 px
    Hint: 16 px (a) Footer (b) Hint (c) Caption
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 22 px
    Footer: 26 px
    Menu: 14 px (a) Hint (b) Menu (c) Footer
21. 21.♿ A screen has 12 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 17 px
    Hint: 10 px
    Footer: 21 px
    Title: 28 px
    Body text: 27 px (a) Title (b) Label (c) Hint (d) Footer
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 17 px
    Body text: 11 px
    Label: 23 px
    Title: 21 px
    Footer: 21 px
24. 24.🔍 Which is the odd one out? (a) fast-flashing lights (b) strong colour contrast (c) text that can grow (d) labels on every icon
25. 25.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
26. 26.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
27. 27.True or false: “icons with no labels” makes the app harder to use. (a) True (b) False
28. 28.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 12 px
    Menu: 26 px
    Body text: 26 px
    Caption: 18 px
    Title: 27 px (a) Menu (b) Body text (c) Caption (d) Label
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 17 px
    Menu: 13 px
    Title: 13 px
    Body text: 15 px
    Footer: 12 px
31. 31.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
32. 32.♿ A screen has 12 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
33. 33.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 21 px
    Caption: 13 px
    Body text: 12 px
35. 35.♿ What does a screen reader do? (a) takes photos (b) reads the screen aloud (c) makes text tiny (d) plays music
36. 36.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
37. 37.Which of these helps everyone use the app? (a) sudden loud sounds (b) colour as the only clue (c) big touch targets (d) tiny tap areas
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 16 px
    Menu: 17 px
    Footer: 12 px
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 15 px
    Menu: 19 px
    Caption: 21 px
    Body text: 20 px
    Title: 22 px
40. 40.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder

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